Quan Duong Address: Civil Group 61, Cam Son Ward, Cam Pha City, Quang Ninh Province Enterprise code: 5701412297 Phone: 02033726618 Representative: Doan Van Quan Adress: Civil Group 61, Cam Son Ward, Cam Pha City, Quang Ninh Province Cam Son Ward, Cam Pha City, Quang Ninh ProvinceFounding date: 24 - 6 - 2010